Proven Part 30-Pack Core Aerator Tines — Fits Ryan 522361, Exmark 121-4894, Bluebird 424 530A

Set of 30 core aerator tines from Proven Part, designed as direct replacements for Ryan part 522361, Exmark 121-4894 and Bluebird 424 530A. These core tines restore aeration capability on compatible machines and are supplied as a complete 30-piece set for a full replacement. Compatible with the listed models for straightforward installation and service.